%% The LaTeX package csvsimple - version 3.0.0 (2026/07/01)
%% csvsimple-legacy.sty: Simple LaTeX CSV file processing (LaTeX2e)
%%
%% -------------------------------------------------------------------------------------------
%% Copyright (c) 2008-2026 by Prof. Dr. Dr. Thomas F. Sturm <thomas dot sturm at unibw dot de>
%% -------------------------------------------------------------------------------------------
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%%   http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status `author-maintained'.
%%
%% This work consists of all files listed in README.md
%%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{csvsimple-legacy}[2026/07/01 version 3.0.0 LaTeX2e CSV file processing]


%---- check package
\ExplSyntaxOn
\cs_if_exist:NT \c__csvsim_package_expl_bool
  {
    \msg_new:nnn { csvsimple } { legacy / package-loaded }
      { Package~'csvsimple-l3'~seems~already~be~loaded!~
        'csvsimple-legacy'~cannot~be~loaded~simultaneously.~
        Therefore,~loading~of~'csvsimple-legacy'~stops~now. }
    \msg_warning:nn { csvsimple } { legacy / package-loaded }
    \file_input_stop:
  }
\bool_const:Nn \c__csvsim_package_expl_bool { \c_false_bool }
\ExplSyntaxOff



\RequirePackage{pgfrcs,pgfkeys,ifthen,etoolbox,shellesc}


%---- general

\def\csv@warning#1{\PackageWarning{csvsimple}{#1}}
\def\csv@error#1#2{\PackageError{csvsimple}{#1}{#2}}

\newread\csv@file
\newcounter{csvinputline}
\newcounter{csvrow}
\newcounter{csvcol}

\def\csv@empty{}

\long\def\csviffirstrow#1#2{%
  \ifnum\c@csvrow=1%
    \long\def\csviffirstrow@doit{#1}%
  \else%
    \long\def\csviffirstrow@doit{#2}%
  \fi%
  \csviffirstrow@doit%
}

\long\def\csvifoddrow#1#2{%
  \ifodd\c@csvrow%
    \long\def\csvifoddrow@doit{#1}%
  \else%
    \long\def\csvifoddrow@doit{#2}%
  \fi%
  \csvifoddrow@doit%
}

\def\csv@assemble@csvlinetotablerow{%
  \global\c@csvcol 1\relax%
  \xdef\csvlinetotablerow{\expandonce{\csname csvcol\romannumeral\c@csvcol\endcsname}}%
  \ifnum\c@csvcol<\csv@columncount\relax%
    \loop%
      \global\advance\c@csvcol 1\relax%
      \xappto\csvlinetotablerow{\noexpand&\expandonce{\csname csvcol\romannumeral\c@csvcol\endcsname}}%
    \ifnum\c@csvcol<\csv@columncount\relax\repeat%
  \fi%
  \csvlinetotablerow%
}


%---- breaking lines

% This command removes leading and trailing spaces from <Token>. I found
% the original code on the web. The original author was Michael Downes, who
% provided the code as an answer to 'around the bend' question #15.
\catcode`\Q=3
\def\csv@TrimSpaces#1{%
  \begingroup%
  \aftergroup\toks\aftergroup0\aftergroup{%
  \expandafter\csv@trimb\expandafter\noexpand#1Q Q}%
  \global\edef#1{\the\toks0}%
}
\def\csv@trimb#1 Q{\csv@trimc#1Q}
\def\csv@trimc#1Q#2{\afterassignment\endgroup \vfuzz\the\vfuzz#1}
\catcode`\Q=11

\def\csv@TrimBraces#1{\expandafter\csv@TrimBraces@#1\@nil{#1}}
\def\csv@TrimBraces@#1\@nil#2{\def#2{#1}}

\def\csv@breakline@kernel#1{%
  \ifx\csv@termination#1\let\nextcol=\relax\else%
    \let\nextcol=\csv@breakline%
    \global\advance\c@csvcol 1\relax%
    \def\csv@col@body{#1}%
    \csv@TrimSpaces\csv@col@body%
    \csv@TrimBraces\csv@col@body%
    \toks@\expandafter{\csv@col@body}%
    \expandafter\xdef\csname csvcol\romannumeral\c@csvcol\endcsname{\the\toks@}%
  \fi%
  \nextcol%
}

% comma
\def\csv@breakline@A#1,{\csv@breakline@kernel{#1}}

\def\csv@scanline@A#1{%
  \global\c@csvcol 0\relax%
  \csv@breakline#1,\csv@termination,%
}

% semi colon
\def\csv@breakline@B#1;{\csv@breakline@kernel{#1}}

\def\csv@scanline@B#1{%
  \global\c@csvcol 0\relax%
  \csv@breakline#1;\csv@termination;%
}

% pipe
\def\csv@breakline@C#1|{\csv@breakline@kernel{#1}}

\def\csv@scanline@C#1{%
  \global\c@csvcol 0\relax%
  \csv@breakline#1|\csv@termination|%
}

% tab
\catcode`\^^I=12
\def\csv@breakline@D#1^^I{\csv@breakline@kernel{#1}}

\def\csv@scanline@D#1{%
  \global\c@csvcol 0\relax%
  \csv@breakline#1^^I\csv@termination^^I%
}
\catcode`\^^I=10

% expands a CSV line and scans content
\def\csv@escanline#1{%
  \toks@\expandafter{#1}%
  \edef\@csv@scanline{\noexpand\csv@scanline{\the\toks@}}%
  \@csv@scanline%
}

{
  \catcode`\"=12%
  \gdef\csv@passivquotes{"}
}

\newwrite\csv@out

\def\csv@preprocessor@csvsorter#1#2#3{%
  \begingroup%
  \typeout{<sort \csv@passivquotes#2\csv@passivquotes\space by \csv@passivquotes#1\csv@passivquotes>}%
  \immediate\openout\csv@out=\csv@csvsorter@token%
  \immediate\write\csv@out{\string\makeatletter\string\csv@error{Call of CSV-Sorter failed! Use '-shell-escape' option or check log file '\csv@csvsorter@log'.}{}}%
  \immediate\closeout\csv@out%
  \ShellEscape{\csv@csvsorter@command\space
    -c \csv@passivquotes#1\csv@passivquotes\space
    -l \csv@passivquotes\csv@csvsorter@log\csv@passivquotes\space
    -t \csv@passivquotes\csv@csvsorter@token\csv@passivquotes\space
    -i \csv@passivquotes#2\csv@passivquotes\space
    -o \csv@passivquotes#3\csv@passivquotes\space -q 1}%
  \input{\csv@csvsorter@token}%
  \endgroup%
}


\def\csv@preprocss@none{%
  \let\csv@input@filename=\csv@filename%
}

\def\csv@preprocss@procedure{%
  \csv@preprocessor{\csv@filename}{\csv@ppfilename}%
  \let\csv@input@filename=\csv@ppfilename%
}


%---- the loop

\def\csv@AtEndLoop{\gappto\@endloophook}
\let\@endloophook\csv@empty

\def\csv@current@col{\csname csvcol\romannumeral\c@csvcol\endcsname}

% auto head names
\def\set@csv@autohead{%
  \toks0=\expandafter{\csname\csv@headnameprefix\csv@current@col\endcsname}%
  \toks1=\expandafter{\csname csvcol\romannumeral\c@csvcol\endcsname}%
  \begingroup\edef\csv@temp{\endgroup\noexpand\gdef\the\toks0{\the\toks1}\noexpand\csv@AtEndLoop{\noexpand\gdef\the\toks0{}}}%
  \csv@temp%
}

% head names and numbers
\def\set@csv@head{%
  \toks0={\gdef##1}%
  \toks1=\expandafter{\csname csvcol\romannumeral\c@csvcol\endcsname}%
  \begingroup\edef\csv@temp{\endgroup\noexpand\pgfkeysdef{/csv head/\csv@current@col}{\the\toks0{\the\toks1}\noexpand\csv@AtEndLoop{\the\toks0{}}}}%
  \csv@temp%
  \begingroup\edef\csv@temp{\endgroup\noexpand\pgfkeysdef{/csv head/\thecsvcol}{\the\toks0{\the\toks1}\noexpand\csv@AtEndLoop{\the\toks0{}}}}%
  \csv@temp%
}

% head line
\def\csv@processheadline{%
  \csvreadnext%
  \ifx\csv@par\csvline\relax%
    \csv@error{File '\csv@input@filename' starts with an empty line!}{}%
    \else\csv@escanline{\csvline}%
  \fi%
  \xdef\csv@columncount{\thecsvcol}%
  \global\c@csvcol 0\relax%
  \loop%
    \global\advance\c@csvcol 1\relax%
    \csv@opt@headtocolumnames%
    \set@csv@head%
  \ifnum\c@csvcol<\csv@columncount\repeat%
  \toks@=\expandafter{\csv@columnnames}%
  \edef\csv@processkeys{\noexpand\pgfkeys{/csv head/.cd,\the\toks@}}%
  \csv@processkeys%
  \csv@posthead%
}

% head numbers for no head
\def\set@csv@nohead{%
  \toks0={\gdef##1}%
  \toks1=\expandafter{\csname csvcol\romannumeral\c@csvcol\endcsname}%
  \begingroup\edef\csv@temp{\endgroup\noexpand\pgfkeysdef{/csv head/\thecsvcol}{\the\toks0{\the\toks1}\noexpand\csv@AtEndLoop{\the\toks0{}}}}%
  \csv@temp%
}

% no head line
\def\csv@noheadline{%
  \global\c@csvcol 0\relax%
  \loop%
    \global\advance\c@csvcol 1\relax%
    \set@csv@nohead%
  \ifnum\c@csvcol<\csv@columncount\repeat%
  \toks@=\expandafter{\csv@columnnames}%
  \edef\csv@processkeys{\noexpand\pgfkeys{/csv head/.cd,\the\toks@}}%
  \csv@processkeys%
}

% check filter
\def\csv@checkfilter{%
  \csv@prefiltercommand%
  \csv@iffilter{%
    \stepcounter{csvrow}%
    \let\csv@usage=\csv@do@linecommand%
  }{}%
}

\def\csv@truefilter#1#2{#1}

\def\csv@falsefilter#1#2{#2}

\def\csvfilteraccept{\global\let\csv@iffilter=\csv@truefilter}

\def\csvfilterreject{\global\let\csv@iffilter=\csv@falsefilter}

% check columns
\def\csv@checkcolumncount{%
  \ifnum\c@csvcol=\csv@columncount\relax%
    \csv@checkfilter%
  \else%
    \csv@columncounterror%
  \fi%
}

\def\csv@nocheckcolumncount{%
  \csv@checkfilter%
}

% normal line
\def\csv@do@linecommand{%
  \csv@do@latepostline%
  \csv@do@preline%
  \csv@body\relax%
  \csv@do@postline%
}

\gdef\csvreadnext{%
  \global\read\csv@file to\csvline%
  \stepcounter{csvinputline}%
}

\def\csv@par{\par}

% reads and processes a CSV file
\long\def\csvloop#1{%
  % reset
  \global\let\@endloophook\csv@empty%
  \global\let\csvlinetotablerow\csv@assemble@csvlinetotablerow%
  % options
  \csvset{default,every csv,#1}%
  \csv@preprocss%
  \csv@set@catcodes%
  \csv@prereading%
  \csv@table@begin%
  \setcounter{csvinputline}{0}%
  % start reading
  \openin\csv@file=\csv@input@filename\relax%
  \ifeof\csv@file%
    \csv@error{File '\csv@input@filename' not existent, not readable, or empty!}{}%
  \else%
    % the head line
    \csv@opt@processheadline%
  \fi%
  %
  \setcounter{csvrow}{0}%
  \gdef\csv@do@preline{%
    \csv@prefirstline%
    \global\let\csv@do@preline=\csv@preline%
  }%
  \gdef\csv@do@postline{%
    \csv@postfirstline%
    \global\let\csv@do@postline=\csv@postline%
  }%
  \gdef\csv@do@@latepostline{%
    \csv@latepostfirstline%
    \global\let\csv@do@latepostline=\csv@latepostline%
  }%
  \gdef\csv@do@latepostline{%
    \csv@lateposthead%
    \global\let\csv@do@latepostline=\csv@do@@latepostline%
  }%
  % command for the reading loop
  \gdef\csv@iterate{%
    \let\csv@usage=\csv@empty%
    \csvreadnext%
    \ifeof\csv@file%
      \global\let\csv@next=\csv@empty%
    \else%
      \global\let\csv@next=\csv@iterate%
      \ifx\csv@par\csvline\relax%
        \else%
        \csv@escanline{\csvline}%
        % check and decide
        \csv@opt@checkcolumncount%
      \fi%
    \fi%
    % do or do not
    \csv@usage%
    \csv@next}%
  \ifeof\csv@file%
    \global\let\csv@next=\csv@empty%
  \else%
    \global\let\csv@next=\csv@iterate%
  \fi%
  \csv@next%
  \closein\csv@file%
  \@endloophook%
  \csv@latepostlastline%
  \csv@table@end%
  \csv@postreading%
  \csv@reset@catcodes%
}

% user command
\long\def\csv@reader[#1]#2#3#4{%
  \global\long\def\csv@@body{#4}%
  \csvloop{#1,file={#2},column names={#3},command=\csv@@body}%
}

\def\csvreader{%
  \@ifnextchar[{\csv@reader}{\csv@reader[]}}


%---- keys

\pgfkeys{/handlers/.gstore in/.code=\pgfkeysalso{\pgfkeyscurrentpath/.code=\gdef#1{##1}}}
\pgfkeys{/csv/.is family}
\pgfkeys{/csv head/.is family}

\def\csvset{\pgfqkeys{/csv}}
\def\csvheadset{\pgfqkeys{/csv head}}

\csvset{%
  file/.gstore in=\csv@filename,%
  preprocessed file/.gstore in=\csv@ppfilename,%
  preprocessor/.code={\gdef\csv@preprocessor{#1}\let\csv@preprocss=\csv@preprocss@procedure},%
  no preprocessing/.code={\let\csv@preprocss=\csv@preprocss@none},
  column names reset/.code={\gdef\csv@columnnames{}},%
  column names/.code={%
      \toks0=\expandafter{\csv@columnnames}%
      \def\temp{#1}\toks1=\expandafter{\temp}%
      \xdef\csv@columnnames{\the\toks0,\the\toks1}%
     },
  command/.gstore in=\csv@body,%
  check column count/.is choice,%
  check column count/.default=true,%
  check column count/true/.code={\global\let\csv@opt@checkcolumncount=\csv@checkcolumncount},%
  check column count/false/.code={\global\let\csv@opt@checkcolumncount=\csv@nocheckcolumncount},%
  on column count error/.gstore in=\csv@columncounterror,
  head/.is choice,%
  head/.default=true,%
  head/true/.code={\global\let\csv@opt@processheadline=\csv@processheadline%
    \pgfkeysalso{check column count}},%
  head/false/.code={\global\let\csv@opt@processheadline=\csv@noheadline%
    \pgfkeysalso{check column count=false,late after head=}},%
  head to column names prefix/.store in=\csv@headnameprefix,%
  head to column names/.is choice,%
  head to column names/.default=true,%
  head to column names/true/.code={\global\let\csv@opt@headtocolumnames=\set@csv@autohead},%
  head to column names/false/.code={\global\let\csv@opt@headtocolumnames=\csv@empty},%
  column count/.gstore in=\csv@columncount,%
  filter/.code={\gdef\csv@iffilter{\ifthenelse{#1}}},
  filter ifthen/.code={\gdef\csv@iffilter{\ifthenelse{#1}}},
  filter test/.code={\gdef\csv@iffilter{#1}},
  filter expr/.code={\gdef\csv@iffilter{\ifboolexpr{#1}}},
  no filter/.code={\csvfilteraccept},
  filter reject all/.code={\csvfilterreject},
  filter accept all/.code={\csvfilteraccept},
  before filter/.gstore in=\csv@prefiltercommand,
  full filter/.gstore in=\csv@prefiltercommand,
  before first line/.gstore in=\csv@prefirstline,
  before line/.code={\gdef\csv@preline{#1}\pgfkeysalso{before first line=#1}},
  after first line/.gstore in=\csv@postfirstline,
  after line/.code={\gdef\csv@postline{#1}\pgfkeysalso{after first line=#1}},
  late after first line/.gstore in=\csv@latepostfirstline,
  late after last line/.gstore in=\csv@latepostlastline,
  late after line/.code={\gdef\csv@latepostline{#1}\pgfkeysalso{late after first line=#1,late after last line=#1}},
  after head/.gstore in=\csv@posthead,
  late after head/.gstore in=\csv@lateposthead,
  before reading/.gstore in=\csv@prereading,
  after reading/.gstore in=\csv@postreading,
  before table/.gstore in=\csv@pretable,
  after table/.gstore in=\csv@posttable,
  table head/.gstore in=\csv@tablehead,
  table foot/.gstore in=\csv@tablefoot,
  @table/.code 2 args={\gdef\csv@table@begin{#1}\gdef\csv@table@end{#2}},
  no table/.style={@table={}{}},
  separator/.is choice,
  separator/comma/.code={\global\let\csv@scanline=\csv@scanline@A%
    \global\let\csv@breakline\csv@breakline@A},
  separator/semicolon/.code={\global\let\csv@scanline=\csv@scanline@B%
    \global\let\csv@breakline\csv@breakline@B},
  separator/pipe/.code={\global\let\csv@scanline=\csv@scanline@C%
    \global\let\csv@breakline\csv@breakline@C},
  separator/tab/.code={\global\let\csv@scanline=\csv@scanline@D%
    \global\let\csv@breakline\csv@breakline@D%
    \csvset{respect tab}},
  %
  csvsorter command/.store in=\csv@csvsorter@command,
  csvsorter configpath/.store in=\csv@csvsorter@configpath,
  sort by/.style={preprocessor={\csv@preprocessor@csvsorter{\csv@csvsorter@configpath/#1}}},
  new sorting rule/.style 2 args={sort by #1/.style={sort by={#2}}},
  csvsorter log/.store in=\csv@csvsorter@log,
  csvsorter token/.store in=\csv@csvsorter@token,
  csvsorter command=csvsorter,
  csvsorter configpath=.,
  preprocessed file={\jobname_sorted._csv},
  csvsorter log={csvsorter.log},
  csvsorter token={\jobname.csvtoken},
  %
  % default for reset
  default/.style={
    file=unknown.csv,
    no preprocessing,
    command=\csvline,
    column names reset,
    head,
    head to column names prefix=,
    head to column names=false,
    column count=10,
    on column count error=,
    no filter,
    before filter=,
    before line=,
    after line=,
    late after line=,
    after head=,
    late after head=,
    before reading=,
    after reading=,
    before table=,
    after table=,
    table head=,
    table foot=,
    no table,
    separator=comma,
    },
  default,
  %
  % styles
  every csv/.style={},
  no head/.style={head=false},
  no check column count/.style={check column count=false},
  warn on column count error/.style={on column count error={\csv@warning{>\thecsvcol< instead of >\csv@columncount< columns for input line >\thecsvinputline< of file >\csv@ppfilename<}}},
  filter equal/.style 2 args={filter ifthen=\equal{#1}{#2}},
  filter not equal/.style 2 args={filter ifthen=\not\equal{#1}{#2}},
  filter strcmp/.style 2 args={filter test=\ifcsvstrcmp{#1}{#2}},
  filter not strcmp/.style 2 args={filter test=\ifcsvnotstrcmp{#1}{#2}},
  tabular/.style={
    @table={\csv@pretable\begin{tabular}{#1}\csv@tablehead}{\csv@tablefoot\end{tabular}\csv@posttable},
    late after line=\\},
  centered tabular/.style={
    @table={\begin{center}\csv@pretable\begin{tabular}{#1}\csv@tablehead}{\csv@tablefoot\end{tabular}\csv@posttable\end{center}},
    late after line=\\},
  longtable/.style={
    @table={\csv@pretable\begin{longtable}{#1}\csv@tablehead}{\csv@tablefoot\end{longtable}\csv@posttable},
    late after line=\\},
  tabbing/.style={
    @table={\csv@pretable\begin{tabbing}\csv@tablehead}{\csv@tablefoot\end{tabbing}\csv@posttable},
    late after line=\\,
    late after last line=},
  centered tabbing/.style={
    @table={\begin{center}\csv@pretable\begin{tabbing}\csv@tablehead}{\csv@tablefoot\end{tabbing}\csv@posttable\end{center}},
    late after line=\\,
    late after last line=},
  autotabular/.style={
    file=#1,
    after head=\csv@pretable\begin{tabular}{|*{\csv@columncount}{l|}}\csv@tablehead,
    table head=\hline\csvlinetotablerow\\\hline,
    late after line=\\,
    table foot=\\\hline,
    late after last line=\csv@tablefoot\end{tabular}\csv@posttable,
    command=\csvlinetotablerow},
  autolongtable/.style={
    file=#1,
    after head=\csv@pretable\begin{longtable}{|*{\csv@columncount}{l|}}\csv@tablehead,
    table head=\hline\csvlinetotablerow\\\hline\endhead\hline\endfoot,
    late after line=\\,
    late after last line=\csv@tablefoot\end{longtable}\csv@posttable,
    command=\csvlinetotablerow},
  autobooktabular/.style={
    file=#1,
    after head=\csv@pretable\begin{tabular}{*{\csv@columncount}{l}}\csv@tablehead,
    table head=\toprule\csvlinetotablerow\\\midrule,
    late after line=\\,
    table foot=\\\bottomrule,
    late after last line=\csv@tablefoot\end{tabular}\csv@posttable,
    command=\csvlinetotablerow},
  autobooklongtable/.style={
    file=#1,
    after head=\csv@pretable\begin{longtable}{*{\csv@columncount}{l}}\csv@tablehead,
    table head=\toprule\csvlinetotablerow\\\midrule\endhead\bottomrule\endfoot,
    late after line=\\,
    late after last line=\csv@tablefoot\end{longtable}\csv@posttable,
    command=\csvlinetotablerow},
}

% deprecated keys
\csvset{
  nofilter/.style=no filter,
  nohead/.style=no head,
}

% catcodes
\def\csv@set@catcodes{%
  \csv@catcode@tab@set%
  \csv@catcode@tilde@set%
  \csv@catcode@circumflex@set%
  \csv@catcode@underscore@set%
  \csv@catcode@and@set%
  \csv@catcode@sharp@set%
  \csv@catcode@dollar@set%
  \csv@catcode@backslash@set%
  \csv@catcode@leftbrace@set%
  \csv@catcode@rightbrace@set%
  \csv@catcode@percent@set}

\def\csv@reset@catcodes{\csv@catcode@percent@reset%
  \csv@catcode@rightbrace@reset%
  \csv@catcode@leftbrace@reset%
  \csv@catcode@backslash@reset%
  \csv@catcode@dollar@reset%
  \csv@catcode@sharp@reset%
  \csv@catcode@and@reset%
  \csv@catcode@underscore@reset%
  \csv@catcode@circumflex@reset%
  \csv@catcode@tilde@reset%
  \csv@catcode@tab@reset%
}


\csvset{
  respect tab/.is choice,
  respect tab/true/.code={%
    \gdef\csv@catcode@tab@set{%
      \xdef\csv@catcode@tab@value{\the\catcode`\^^I}%
      \catcode`\^^I=12}%
    \gdef\csv@catcode@tab@reset{\catcode`\^^I=\csv@catcode@tab@value}},
  respect tab/false/.code={%
    \global\let\csv@catcode@tab@set\csv@empty%
    \global\let\csv@catcode@tab@reset\csv@empty},
  respect tab/.default=true,
  %
  respect percent/.is choice,
  respect percent/true/.code={%
    \gdef\csv@catcode@percent@set{%
      \xdef\csv@catcode@percent@value{\the\catcode`\%}%
      \catcode`\%=12}%
    \gdef\csv@catcode@percent@reset{\catcode`\%=\csv@catcode@percent@value}},
  respect percent/false/.code={%
    \global\let\csv@catcode@percent@set\csv@empty%
    \global\let\csv@catcode@percent@reset\csv@empty},
  respect percent/.default=true,
  %
  respect sharp/.is choice,
  respect sharp/true/.code={%
    \gdef\csv@catcode@sharp@set{%
      \xdef\csv@catcode@sharp@value{\the\catcode`\#}%
      \catcode`\#=12}%
    \gdef\csv@catcode@sharp@reset{\catcode`\#=\csv@catcode@sharp@value}},
  respect sharp/false/.code={%
    \global\let\csv@catcode@sharp@set\csv@empty%
    \global\let\csv@catcode@sharp@reset\csv@empty},
  respect sharp/.default=true,
  %
  respect dollar/.is choice,
  respect dollar/true/.code={%
    \gdef\csv@catcode@dollar@set{%
      \xdef\csv@catcode@dollar@value{\the\catcode`\$}%
      \catcode`\$=12}%
    \gdef\csv@catcode@dollar@reset{\catcode`\$=\csv@catcode@dollar@value}},
  respect dollar/false/.code={%
    \global\let\csv@catcode@dollar@set\csv@empty%
    \global\let\csv@catcode@dollar@reset\csv@empty},
  respect dollar/.default=true,
  %
  respect and/.is choice,
  respect and/true/.code={%
    \gdef\csv@catcode@and@set{%
      \xdef\csv@catcode@and@value{\the\catcode`\&}%
      \catcode`\&=12}%
    \gdef\csv@catcode@and@reset{\catcode`\&=\csv@catcode@and@value}},
  respect and/false/.code={%
    \global\let\csv@catcode@and@set\csv@empty%
    \global\let\csv@catcode@and@reset\csv@empty},
  respect and/.default=true,
  %
  respect backslash/.is choice,
  respect backslash/true/.code={%
    \gdef\csv@catcode@backslash@set{%
      \xdef\csv@catcode@backslash@value{\the\catcode`\\}%
      \catcode`\\=12}%
    \gdef\csv@catcode@backslash@reset{\catcode`\\=\csv@catcode@backslash@value}},
  respect backslash/false/.code={%
    \global\let\csv@catcode@backslash@set\csv@empty%
    \global\let\csv@catcode@backslash@reset\csv@empty},
  respect backslash/.default=true,
  %
  respect underscore/.is choice,
  respect underscore/true/.code={%
    \gdef\csv@catcode@underscore@set{%
      \xdef\csv@catcode@underscore@value{\the\catcode`\_}%
      \catcode`\_=12}%
    \gdef\csv@catcode@underscore@reset{\catcode`\_=\csv@catcode@underscore@value}},
  respect underscore/false/.code={%
    \global\let\csv@catcode@underscore@set\csv@empty%
    \global\let\csv@catcode@underscore@reset\csv@empty},
  respect underscore/.default=true,
  %
  respect tilde/.is choice,
  respect tilde/true/.code={%
    \gdef\csv@catcode@tilde@set{%
      \xdef\csv@catcode@tilde@value{\the\catcode`\~}%
      \catcode`\~=12}%
    \gdef\csv@catcode@tilde@reset{\catcode`\~=\csv@catcode@tilde@value}},
  respect tilde/false/.code={%
    \global\let\csv@catcode@tilde@set\csv@empty%
    \global\let\csv@catcode@tilde@reset\csv@empty},
  respect tilde/.default=true,
  %
  respect circumflex/.is choice,
  respect circumflex/true/.code={%
    \gdef\csv@catcode@circumflex@set{%
      \xdef\csv@catcode@circumflex@value{\the\catcode`\^}%
      \catcode`\^=12}%
    \gdef\csv@catcode@circumflex@reset{\catcode`\^=\csv@catcode@circumflex@value}},
  respect circumflex/false/.code={%
    \global\let\csv@catcode@circumflex@set\csv@empty%
    \global\let\csv@catcode@circumflex@reset\csv@empty},
  respect circumflex/.default=true,
  %
  respect leftbrace/.is choice,
  respect leftbrace/true/.code={%
    \gdef\csv@catcode@leftbrace@set{%
      \xdef\csv@catcode@leftbrace@value{\the\catcode`\{}%
      \catcode`\{=12}%
    \gdef\csv@catcode@leftbrace@reset{\catcode`\{=\csv@catcode@leftbrace@value}},
  respect leftbrace/false/.code={%
    \global\let\csv@catcode@leftbrace@set\csv@empty%
    \global\let\csv@catcode@leftbrace@reset\csv@empty},
  respect leftbrace/.default=true,
  %
  respect rightbrace/.is choice,
  respect rightbrace/true/.code={%
    \gdef\csv@catcode@rightbrace@set{%
      \xdef\csv@catcode@rightbrace@value{\the\catcode`\}}%
      \catcode`\}=12}%
    \gdef\csv@catcode@rightbrace@reset{\catcode`\}=\csv@catcode@rightbrace@value}},
  respect rightbrace/false/.code={%
    \global\let\csv@catcode@rightbrace@set\csv@empty%
    \global\let\csv@catcode@rightbrace@reset\csv@empty},
  respect rightbrace/.default=true,
  %
  respect all/.style={respect tab,respect percent,respect sharp,respect dollar,
    respect and,respect backslash,respect underscore,respect tilde,respect circumflex,
    respect leftbrace,respect rightbrace},
  respect none/.style={respect tab=false,respect percent=false,respect sharp=false,
    respect dollar=false,respect and=false,respect backslash=false,
    respect underscore=false,respect tilde=false,respect circumflex=false,
    respect leftbrace=false,respect rightbrace=false},
  respect none
}


\long\def\csv@autotabular[#1]#2{\csvloop{autotabular={#2},#1}}

\def\csvautotabular{%
  \@ifnextchar[{\csv@autotabular}{\csv@autotabular[]}}

\long\def\csv@autolongtable[#1]#2{\csvloop{autolongtable={#2},#1}}

\def\csvautolongtable{%
  \@ifnextchar[{\csv@autolongtable}{\csv@autolongtable[]}}

\long\def\csv@autobooktabular[#1]#2{\csvloop{autobooktabular={#2},#1}}

\def\csvautobooktabular{%
  \@ifnextchar[{\csv@autobooktabular}{\csv@autobooktabular[]}}


\long\def\csv@autobooklongtable[#1]#2{\csvloop{autobooklongtable={#2},#1}}

\def\csvautobooklongtable{%
  \@ifnextchar[{\csv@autobooklongtable}{\csv@autobooklongtable[]}}


\def\csvstyle#1#2{\csvset{#1/.style={#2}}}

\def\csvnames#1#2{\csvset{#1/.style={column names={#2}}}}

% string comparison

\newrobustcmd{\ifcsvstrequal}[2]{%
  \begingroup%
    \edef\csv@tempa{#1}%
    \edef\csv@tempb{#2}%
    \ifx\csv@tempa\csv@tempb%
      \aftergroup\@firstoftwo%
    \else%
      \aftergroup\@secondoftwo%
    \fi%
  \endgroup%
}%

\newrobustcmd{\ifcsvprostrequal}[2]{%
  \begingroup%
    \protected@edef\csv@tempa{#1}%
    \protected@edef\csv@tempb{#2}%
    \ifx\csv@tempa\csv@tempb%
      \aftergroup\@firstoftwo%
    \else%
      \aftergroup\@secondoftwo%
    \fi%
  \endgroup%
}%

\AtBeginDocument{%
  \ifdefined\pdfstrcmp%
    \let\csv@strcmp\pdfstrcmp%
  \else\ifdefined\pdf@strcmp%
    \let\csv@strcmp\pdf@strcmp%
  \fi\fi%
  \ifdefined\csv@strcmp%
    \newrobustcmd{\ifcsvstrcmp}[2]{%
      \ifnum\csv@strcmp{#1}{#2}=\z@\relax%
        \expandafter\@firstoftwo%
      \else%
        \expandafter\@secondoftwo%
      \fi%
    }%
  \else%
    \let\ifcsvstrcmp\ifcsvstrequal%
  \fi%
}

\newrobustcmd{\ifcsvnotstrcmp}[4]{\ifcsvstrcmp{#1}{#2}{#4}{#3}}
